The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

This month, Asteroid Terrestrial-impact Last Alert System in Río Hurtado, Chile detected a third interstellar visitor. At ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...